72720075

素因数分解:

$3^1\times 5^2\times {\mathrm{821}}^1\times {\mathrm{1181}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 120478896

約数和(自身を除く): 47758821

約数列:

[1, 3, 5, 15, 25, 75, 821, 1181, 2463, 3543, 4105, 5905, 12315, 17715, 20525, 29525, 61575, 88575, 969601, 2908803, 4848005, 14544015, 24240025, 72720075]

約数ペア:

[(1, 72720075), (3, 24240025), (5, 14544015), (15, 4848005), (25, 2908803), (75, 969601), (821, 88575), (1181, 61575), (2463, 29525), (3543, 20525), (4105, 17715), (5905, 12315)]